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Comparison of Different Methods for Fault Ride through Ability of Fixed-Speed Wind Generation Systems
Abstract:
In recent years, with the increasing of wind farm's capacity, requirements of the ability of fault ride through for wind farm are getting more and more stringent. The article analyzes the methods improving the low voltage ride through capability of the constant speed constant frequency wind power generation system. Static Synchronous Compensator (STATCOM) and Series Dynamic Breaking Resistor (SDBR) have recently been reported as stabilization methods for fixed-speed wind generator systems. Simulation results demonstrate that the STATCOM is a cost-effective solution for transient stability enhancement and minimization of voltage fluctuations, while the BR is the simplest in structure and a cost-effective solution for transient stability enhancement. Then a method is prompted, which Combines STATCOM and SDBR to promote the fault ride-through ability of constant speed constant frequency wind power system. By this way, the system validity and stability can be improved while costs can be cut down.
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1427-1431
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Online since:
January 2013
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© 2013 Trans Tech Publications Ltd. All Rights Reserved
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